# OpenGrok MCP Server

> Use this tool when you need to instantly search and understand massive codebases, as it bridges OpenGrok indices with AI to provide deep context. It solves problems of code navigation and discovery, enabling developers to quickly find and comprehend specific parts of large code repositories. The tool takes in codebase indices as input and outputs instant, relevant search results and context.

Canonical page: https://skillsregistry.net/skills/io-github-icyhot09-opengrok  
JSON: https://api.skillsregistry.net/v1/skills/io-github-icyhot09-opengrok

## Description

MCP server bridging OpenGrok search engine with AI for instant context across massive codebases.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** scanned
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 3.3.4
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** search
- **Updated:** 2026-09-19

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.github.IcyHot09%2Fopengrok)
- **Repository:** <https://github.com/IcyHot09/opengrok-mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "io-github-icyhot09-opengrok"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/io-github-icyhot09-opengrok` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/io-github-icyhot09-opengrok/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt